Finding the Fourth Proportional to 7,449.82, 10,280.64 and 4,092.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,449.82 : 10,280.64 = 4,092.76 : x
2. Step 2: Convert to fraction form
   7,449.82/10,280.64 = 4,092.76/x
3. Step 3: Cross multiply
   7,449.82x = 10,280.64 × 4,092.76
4. Step 4: Simplify right side
   7,449.82x = 42,076,192.17
5. Step 5: Solve for x
   x = 42,076,192.17/7,449.82
6. Step 6: Final answer
   x = 5,647.95